List of investigational antidepressants explained

This is a list of investigational antidepressants, or antidepressants that are currently under development for clinical use in the treatment of mood disorders but are not yet approved. Chemical/generic names are listed first, with developmental code names, synonyms, and brand names in parentheses. All drugs listed are specifically under development for major depressive disorder (MDD) or treatment-resistant depression (TRD) unless noted otherwise.